Plain-spoken field notes from the team building the clip-on air purifier for your helmet. Pollution science, rider health, helmet airflow, and what we learn shipping hardware to riders worldwide.
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A helmet with an air filter is the road-going form of a powered air-purifying respirator - it clips to the helmet you already own. Nine direct answers, including the one pollutant no road filter removes.
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Metro Manila averages 17.2 km/h, so a passive helmet vent barely flows. Riders open it at the stoplight, which is exactly where...
Your child's helmet sits level with the exhaust pipe of the car beside you. Per kilogram of body weight they take roughly...
Riders are told to avoid rush hour. In measured commuter data, PM2.5 peaked off-peak and bottomed during the evening rush, while NO2...
Riders spend money and attention on the crash risk. On a population basis, particulate pollution costs more than five times the life...
Closing your visor feels like protection, but a helmet isn't airtight and its vents can pull dirty air toward your face. An...
H13 captures more particles per pass than H11, but a higher filter grade costs airflow, and in a battery-powered helmet unit airflow...
Delhi's annual PM2.5 has sat near 20x the WHO limit for six straight years, and on a motorcycle you breathe about 30%...
Thailand's national PM2.5 average fell about a third between 2018 and 2025. Over the same period, sensors strapped to ten working riders...
Riding for a living means hours in traffic air, not minutes. Two peer-reviewed studies measured what that does to delivery and moto-taxi...
South-East Asia is on haze red alert and ASEAN hotspots are up 86%. The PM2.5 a rider breathes is shifting from tailpipe...
Going electric cuts your tailpipe, but not what you breathe on the bike. The honest 5-year answer for riders, with sourced data...
Your helmet is built to protect your skull, not filter the air. Here's what vents, visors and masks actually do against PM2.5...
Everything we learn about rider health, pollution, and helmet airflow goes into one product. Built by riders, for riders. Pre-order pricing closes Friday.
